devnull.cz - dns.ninja

devnull.cz

DNSSEC🔒 Signed (DS record present)
A109.164.15.182🇨🇿 Starnet109.164.0.0/17
NSns.forpsi.net ⭐
A2001:15e8:101:1::c282🇨🇿 INTERNET-CZ2001:15e8::/32
PTRns.forpsi.net
A81.2.194.130🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.
PTRns.forpsi.net
NSns.forpsi.cz
A2001:15e8:201:1::d1b9🇨🇿 INTERNET-CZ2001:15e8::/32
PTRns.forpsi.cz
A81.2.209.185🇨🇿 INTERNET-CZ81.2.209.0/24
PTRns.forpsi.cz
NSns.forpsi.it
A2a00:6d41:2:1::5🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network
PTRns.forpsi.it
A95.110.254.165🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network
PTRhost165-254-110-95.serverdedicati.aruba.it
MXmxavas.forpsi.com ⭐
A81.2.195.200🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.
PTRmxavas.forpsi.com
SOAns.forpsi.netadmin@grdns.cz 2026-05-08 #1

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1780566434

Subdomains

rax.devnull.cz

Same first word

devnull.com
devnull.li
devnull.cn
devnull.jp
devnull.nu
devnull.org.uk
devnull.net
devnull.fr
devnull.ro
devnull.com.br
devnull.ba
devnull.ee
devnull.ws
devnull.org
devnull.cc
devnull.solutions
devnull.online
devnull.pp.ua
devnull.co.uk
devnull.mobi
devnull.zone
devnull.lv
devnull.club
devnull.xyz
devnull.ca
devnull.email
devnull.gr
devnull.win
devnull.io
devnull.lt
devnull.info
devnull.waw.pl
devnull.team
devnull.ch
devnull.no
devnull.ru
devnull.at
devnull.us
devnull.site
devnull.awsapps.com
devnull.blog
devnull.fi
devnull.bz
devnull.ir
devnull.cz
devnull.uk
devnull.name
devnull.nl
devnull.al
devnull.in-berlin.de
devnull.space
devnull.es
devnull.si

Similar names

nevdull.us
llunved.com
llunved.de
nulldev.org
nevdull.net
nevdull.ca
nulldev.com
vendull.blogspot.com
nulldev.xyz
llunved.net
nevdull.nu
nulldev.link
nulldev.se
nulldev.net

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSns.forpsi.czns.forpsi.itns.forpsi.netns.grdns.czns.grdns.itMXmxavas.forpsi.commx.grbox.czA109.164.15.182213.151.78.6
●NSns.forpsi.cz2026-02-15 → 2026-06-04 · 3 obs
○ 2017-06-26 14:25:52
● 2026-02-15 08:33:40
● 2026-06-04 10:14:52
●NSns.forpsi.it2026-02-15 → 2026-06-04 · 3 obs
○ 2017-06-26 14:25:52
● 2026-02-15 08:33:40
● 2026-06-04 10:14:52
●NSns.forpsi.net2026-02-15 → 2026-06-04 · 3 obs
○ 2017-06-26 14:25:52
● 2026-02-15 08:33:40
● 2026-06-04 10:14:52
○NSns.grdns.cz2015-07-15 → 2017-06-26 · 4 obs
● 2015-07-15 00:06:02
● 2017-06-26 14:25:52
○ 2026-02-15 08:33:40
○ 2026-06-04 10:14:52
○NSns.grdns.it2015-07-15 → 2017-06-26 · 4 obs
● 2015-07-15 00:06:02
● 2017-06-26 14:25:52
○ 2026-02-15 08:33:40
○ 2026-06-04 10:14:52
○MXmx.grbox.cz2015-07-15 → 2017-06-26 · 4 obs
● 2015-07-15 00:06:02
● 2017-06-26 14:25:52
○ 2026-02-15 08:33:40
○ 2026-06-04 10:14:52
●MXmxavas.forpsi.com2026-02-15 → 2026-06-04 · 3 obs
○ 2017-06-26 14:25:52
● 2026-02-15 08:33:40
● 2026-06-04 10:14:52
●A109.164.15.1822026-02-15 → 2026-06-04 · 3 obs
○ 2017-06-26 14:25:52
● 2026-02-15 08:33:40
● 2026-06-04 10:14:52
○A213.151.78.62015-07-15 → 2017-06-26 · 4 obs
● 2015-07-15 00:06:02
● 2017-06-26 14:25:52
○ 2026-02-15 08:33:40
○ 2026-06-04 10:14:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
devnull.czns.forpsi.cz, ns.forpsi.it, ns.forpsi.net2 records

✅ Authoritative Response

Server:81.2.209.185

NS records: ns.forpsi.cz, ns.forpsi.it, ns.forpsi.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1697ms | Queries: -

📄 Records

TypeCountSample Data
A1109.164.15.182
NS3ns.forpsi.cz, ns.forpsi.it...
MX1mxavas.forpsi.com (pri: 10)
SOA1ns.forpsi.net admin.grdns.cz

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)

Analysis

Hierarchy

The domain rax.devnull.cz falls under the parent devnull.cz.

IP Addresses

devnull.cz resolves to just one IP address, 109.164.15.182.

Name Servers

devnull.cz carries NS records delegating to ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

At least some of devnull.cz's name servers are shared with other domains, for example conto.hu, jr-grafik.cz, sprava-dotaci.eu and two more.

These name servers tend to be used in conjunction with the name servers ns.forpsi.us.

ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net are three hostnames that each resolve to a pair of IP addresses: ns.forpsi.cz to 81.2.209.185 and 2001:15e8:201:1::d1b9, ns.forpsi.it to 95.110.254.165 and 2a00:6d41:2:1::5, and ns.forpsi.net to 81.2.194.130 and 2001:15e8:101:1::c282.

Mail Servers

The sole mail server for devnull.cz is mxavas.forpsi.com.

Among the domains sharing a mail server setup with devnull.cz are dvorakstav.cz, aliencomputers.cz, jobsico.com and two others.

There is at least a partial MX overlap between devnull.cz and other domains, including martinkucera.cz, egk.cz, rcba.sk and two others.

mxavas.forpsi.com carries a single IP number, which is 81.2.195.200.